No problem, we've got 81551046 and 82165504 to multiply
81551046 × 82165504 = 82165504 × (81551046)
+ 82165504 × 6 that equals 492993024
+ 82165504 × 40 producing 3286620160
+ 82165504 × 000 which equals 0
+ 82165504 × 1000 that equals 82165504000
+ 82165504 × 50000 which equals 4108275200000
+ 82165504 × 500000 what gives us 41082752000000
+ 82165504 × 1000000 which equals 82165504000000
+ 82165504 × 80000000 resulting in 6573240320000000

= 6700682796317184
